Perennial herb, 0.5-1.5 m tall (NYS S2, T), stems solitary, hairy.
Leaves alternate except near base, 5-15 cm long, 0.2-1 cm wide, linear, stalkless, margin rolled under, dark green, rough above, pale, hairy below, basal leaves, when present, stalked and blade wider.
Flowers yellow, rays 10-15, 1.5-3 cm long, disk red-purple 1.5-2 cm wide, basal bracts narrow, loose.
Fruit dry, 1-seeded achene about 0.4 cm long, crowned by deciduous scales, surrounded by chaffy bracts of the floral base (receptacle).
Wetland status: FACW.
Frequency in NYC: Very infrequent.
Habitat: A pine barrens bog species, soil pH 4-7 (USDA, NRCS 2007).